package com.starview.star.compiler.transform;

public enum Cardinality
{
  singleton
  {
    @Override
    public Cardinality negate()
    {
      return plural;
    }
  },
  plural
  {
    @Override
    public Cardinality negate()
    {
      return singleton;
    }
  };

  public abstract Cardinality negate();
}
